Norwegian Bank is the central bank of Norway , also known as the Norwegian Central Bank. It is the official financial institution of Norway, responsible for issuing currency, implementing national monetary policy and managing the foreign exchange market. The Norwegian Petroleum Fund, the managed stabilization fund of Norwegian Bank, is one of the largest investment portfolios in the world. In addition, Noregs Bank was established in 1861. In 1949, the state took over all its shares. Its headquarters are located in Oslo, and it has offices in London, New York, Shanghai, China and Singapore. one two